EUTHALLEPHYTA EUMYCETES MOULD 



203 



the sputum of a tubercular patient. It is pathogenic for rabbits and guinea 

 pigs when inoculated. Lucet and Costantin think that cases of mucormycosis 

 are more frequent than generally supposed. Meyer seems to have made the 

 first observation of a Mucor in animals having observed it in the lungs of a 

 jay. Heisinger in 1821 found a Mucor in the lungs of a goose. 



Fig. 47. Fly Fungus. Empusa Muscae. 1. Empusa on fly surrounded by a halo. 



2. Part of body of fly; general fructifying part (0; conidia (c) and secondary conidia 



Fully formed conidiophore with conidium (r) and vacuole (f) x 300. 4. Tubular 



conidiophore projecting a conidium (c) surrounded by part of the plasma (g) of the con- 



diophore. 5. Conidium (c) with a secondary conidium (sc). 6. Conidium (f) forming a 



mycelium tube 300. 7. Secondary conidium (c) germinating x 300. 8. Part of chitin- 



ous integument of fly with conidium (c) penetrating the integument x 500. 9. Fatty bodies 



of fly containing mycelium of parasite x 300. 10. Yeast-like sprouting cells (c) from the 



fatty bodies of a fly x 500. After Brefeld. 



